52.
Solute 'X'dimerises in water to the
extent of 80%. 2.5g of 'X'in 100g of
water increases the boiling point by
0.3 °C. The molar mass of 'X' is
[K, = 0.52 K kgmol-l]
(A) 13
(B) 52
(C) 65
(D) 26
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